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On the heels of last week's controversy over whether Facebook disclosed financial information to select individuals ahead of the broader market were rumors that Facebook had hired engineers in preparation of building its own Facebook phones, a notion that turned many investors off. The company was also rumored to have been interested in purchasing browser company Opera.

Facebook's current market capitalization values the company at about $63 billion, down from its market value of $104 billion when it first went public. In other words, it has lost more than two Yahoos worth of value (the online company has a market cap of $18.7 billion) in less than two weeks.

The stock decline has also equates to the declining fortunes of photo app Instagram, which agreed to be purchased in a deal largely consisting of Facebook stock. The value of the deal dropped from $1 billion to $963 million in a little more than a week.